40085

Names of 40085

• Cardinal: 40085 can be written as Forty thousand and eighty-five.

Scientific notation

• Scientific notation: 4.0085 × 10⁴

Factors of 40085

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 8022

Divisors of 40085

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 8017 40085
• Sum of all divisors σ(n): 48108
• Sum of proper divisors (its aliquot sum) s(n): 8023
• 40085 is a deficient number, because the sum of its proper divisors (8023) is less than itself. Its deficiency is 32062

Bases of 40085

• Binary: 1001110010010101₂
• Hexadecimal: 0x9C95
• Base-36: UXH

Squares and roots of 40085

• 40085 squared (40085²) is 1606807225
• 40085 cubed (40085³) is 64408867614125
• The square root of 40085 is 200.2123872291
• The cube root of 40085 is 34.2237264539

Scales and comparisons

• 40,085 seconds is equal to 11 hours, 8 minutes, 5 seconds.
• To count from 1 to 40,085 would take you about eleven hours.

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 40085 cubic inches would be around 2.9 feet tall.

Recreational maths with 40085

• 40085 backwards is 58004
• The number of decimal digits it has is: 5
• The sum of 40085's digits is 17
• More coming soon!